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LED flashing in PLC (2)

9/24/2014 2:31 PM	Rate (0)
Shams Posts: 23 Rating: (1)	musthafa Dear Sir, We are facing a problem of all LED flashing in PLC and complete process disturbed. I have restarted the PLC by power off and on. Then the PLC is in working condition. What cloud be wrong and it can come again or not. What is the solution for this. I too encountered this problem couple of times and it got normal when: I switched off my H System removed the batteries of the 1st rack 0 removed the flash memory card switched on the power supply after few minutes inserted the EPROM memory reset when stop LED is stable then turn it to Run mode. Then it got back to normal. connected back both the batteries. Followed the same steps for rack 1. Thanks,
Shams Posts: 23 Rating: (1)	Last edited by: Min_Moderator at: 9/25/2014 9:18 AM New subject after splitting from /tf/WW/en/Posts/98961#top#492826
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9/25/2014 9:27 AM	Rate (0)
Min_Moderator Posts: 4758 Rating: (122)	Closed cause question posted twice. The second thread with the subjectLED flashing in PLCis published within the conferenceSIMATIC S7-400 / S7-400H / S7-400F /FH. Best regards Min_Moderator
Min_Moderator Posts: 4758 Rating: (122)
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